From 0192a4e3f1c90df255e44831a579d9b0f611a543 Mon Sep 17 00:00:00 2001 From: Jordan Date: Fri, 30 Sep 2022 11:52:44 -0700 Subject: go.mod: bump discordgo, go-sqlite3, x/net --- vendor/golang.org/x/crypto/internal/alias/alias.go | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 vendor/golang.org/x/crypto/internal/alias/alias.go (limited to 'vendor/golang.org/x/crypto/internal/alias/alias.go') diff --git a/vendor/golang.org/x/crypto/internal/alias/alias.go b/vendor/golang.org/x/crypto/internal/alias/alias.go new file mode 100644 index 0000000..69c17f8 --- /dev/null +++ b/vendor/golang.org/x/crypto/internal/alias/alias.go @@ -0,0 +1,32 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !purego +// +build !purego + +// Package alias implements memory aliasing tests. +package alias + +import "unsafe" + +// AnyOverlap reports whether x and y share memory at any (not necessarily +// corresponding) index. The memory beyond the slice length is ignored. +func AnyOverlap(x, y []byte) bool { + return len(x) > 0 && len(y) > 0 && + uintptr(unsafe.Pointer(&x[0])) <= uintptr(unsafe.Pointer(&y[len(y)-1])) && + uintptr(unsafe.Pointer(&y[0])) <= uintptr(unsafe.Pointer(&x[len(x)-1])) +} + +// InexactOverlap reports whether x and y share memory at any non-corresponding +// index. The memory beyond the slice length is ignored. Note that x and y can +// have different lengths and still not have any inexact overlap. +// +// InexactOverlap can be used to implement the requirements of the crypto/cipher +// AEAD, Block, BlockMode and Stream interfaces. +func InexactOverlap(x, y []byte) bool { + if len(x) == 0 || len(y) == 0 || &x[0] == &y[0] { + return false + } + return AnyOverlap(x, y) +} -- cgit v1.2.3-54-g00ecf